There are two types of garage doors:
- sectional garage doors – made of steel panels filled under pressure with polyurethane foam, with the option provision of pedestrian doors (thermal insulation coefficient 0.49 W/mpK)
- roller garage doors – made of insulated aluminum strips, 55 or 77 mm height, filled with foam, which are collected by rolling on top of the entrance hole in the garage, in a protective case. Options on manual or electrical driving are available. The advantage of this type of door is that the space required is small and feature increased accessibility and increased burglary protection. Roller door insulation is 0.85 W/mpK.